Apparatus for painting smokestacks



L. CHANDLER.

APPARATUS FOR PAINTING SMOKESTACKS.

Patented July 6, 1920.

APPLICATION FILED NOV-3,1919- 5V5 INVENTQR:

BY W ATTORNEY.

L. CHANDLER.

' APPARATUS FOR PAINTING SMOKESTACKS.

APPLICATION FILED NOV.3,1919.

1,345,834. Patented ulyB, 1920.

2 SHEETS-SHEET 2.

L I 'W Q ATTORNEYQ INVENTOR:

PATENT OFFICE.

UNITED STATES LEE CHANDLER, OF OKLAHOMA, OKLAHOMA, ASSIGNOR OF ONE-HALF TO JOHN D. ALLEN, OF OKLAHOMA, OKLAHOMA.

APPARATUS FOR PAINTING SMOKESTAGKS.

To all whom it may concern:

Be it known that .1, LEE CHANDLER, a citizen of the United States, residing at Oklahoma, in the county of Oklahoma and State of Oklahoma, have invented certain new and useful Improvements in Apparatus for Painting Smokestacks, of which the following is a specification, reference being had to the accompanying drawings.

The object of the invention is to provide safe and convenient means for painting smoke stacks.

Referring to the six figures of the draw- 1ngs:

Figure l is a plan view of a smoke stack with the improved apparatus installed thereon no partsbeing shown below the line 3-3 of Fig. 2.

Fig. 2 is an elevation view.

Fig. 3 is a sectional view taken on the line 33 of Fig. 2, with a rope and weight omitted and with no parts shown below the line A-A.

Fig. 1 is an elevation view in the direction of the arrow 4 of Fig. 2.

Fig. 5 is a perspective view of a vertically movable brush and paint container, together with parts for controlling the flow of paint which are not shown in Figs. 1 to 1.

Fig. 6 is an elevation view of the parts shown in Fig. 5 and asmall fragment of the smoke stack, a portion of the paint container being broken away to expose an outlet opening.

Like characters of reference designate like parts in all thefigures.

In arranging the improved apparatus, a bridge-bar 10 is extended diametrically across the upper end of the stack 11 and permanently riveted to said stack to support an upstanding spindle 12.

A triangular skeleton crane 13 is mounted on top of the stack 11 and arranged to be revolved in a horizontal plane.

This crane 13 includes a plate 14 which is permanently pivoted to the upper end of the spindle 12; two divergent strap-iron members 15 which radially overhang the stack 11; a flat horizontal plate 16 connecting the central portions of the members 15; and a strap-iron bar 1'? connecting the outer ends'o'f said members 15; all these Specification of Letters Patent.

Patented July 6, 1920.

Application filed November 3, 1919. 'Serial No. 335,489.

parts being securely riveted together as shown.

The crane 13 is supported centrally by two rollers 18 whose frames 19 are secured to the underside of the plate 16, these rollers being adapted to travel on the upper edge 20 of the stack 11 when the crane is revolved around the spindle 12.

In order that the upper edge 20 of the stack 11 shall form a durable track for the rollers 18, it may be reinforced and widened by a strap-iron band 21 which is extended around on the outside of the stack and securely riveted.

Two guiding cables. 22 are suspended from the crane 13, one of the cables being suspended from one of the members 15 and the other cable from the other member.

Each cable 22 has its lower end attached to a windlass shaft 23 so that it may be individually drawn taut.

The outer ends of the two shafts 23 are journaled in the outer ends of projecting arms 24L which are in turn riveted to and supported by a band 25 which embraces the lower portion of the stack 11; and the adjacent ends of said shafts are supported by extending revolubly into a central sleeve 26 as best shown in Fig. 3. y

The arms 24 are braced to the band 25 by a strap-iron bar 27 and said band, bar, and arms are all securely riveted together.

The ends 28 of the band 25 are turned outward and secured together by a take-up screw 29.

The Windlass shafts 23 are provided with cranks 30 and ratchet-wheels 31 and after the cables 22 are drawn taut by said. shafts the latter are held by detents 32 which are pivoted to the arms 24 and engage said ratchet-wheels.

A container 33 for paint or other liquid preparationiis arranged to be guided in its vertical movements by the cables 22 and is provided on its ends with sleeves 34. through which said cables slidably pass.

A suitable brush 35 is positioned below the container 33 and arranged to travel therewith, the head-piece 36. of the brush being secured by screws 37 to thelower edge of a metal plate 38 which is in turn soldered to he e nta wr 33- In the simple arrangement of the eontainer 33 andbrush 35 shown in'Figs, 1, 2,

and 4, the container is provided in its lower wall with one or more outlet openings 39,..l1ke the opening 39 shown 111 F g. 6 but much smaller and permanently open; and

in using the apparatus the paint 40 flows slowly and continuously down through the openings onto the brush and is applied to the stack 11 by movingthe brush upward and downward in contact therew 1th.

For moving the brush 35 and container 33 in spreading the paint, a rope 41. is

hitched to the upper portionof the plate38 and passes up over a pulley 42 secured to the bar 17 of the crane 13, said rope passing thence downward to wvithin convenient reach of an operator and back upward, and

being hitched to theilower'edge of the plate 38 as shown in Fig. 2. I

To keep the rope 41 fron'rswinging too loosely it ispassed under a pulley 43 from which a weight 44 is suspended; and with the rope arranged in this wa y the brush and container 33 may be drawn repeatedly up and "down the stack 11' to thoroughly ap- .ply a coat of paint.

The container 33 shownin Figs. 5 and 6 is provided toward each of its ends .with the opening 39, aforesaid, and' each openingis closed by a valve 45 which is mounted on a lever 46.

7 slot 48 in said plate.

' Each lever 46 is fulcrumed to a lug 47 fixed rigidly on the container 33 on the side opposite the plate 38, saidlever extending under the container and through a vertical its free end by a tension spring 49 to seat its valve against the opening 39 of the container 44, the upper end of each spring being hitched to a staple 50 on the upper its hook 54 caught over some supporting part of the apparatus for example over the sleeve 26 of the windlass shafts 23 and the sprlngs 491 are strongenough to keep the [valves 45 tightly closed against any pull on the rope 41 commonly required to draw the brush- 35 and container 33 downward.

the brush 35 at the lower part of the stack '11 so that the upward wipe will bend its bristles downward and allow'the paint to gravitate toward their delivery ends; and in may be unhooked from the sleeve 26 and al- -Each lever 46 is normally held upward at lowed to put the rope41 under tension to open the valves 45 and release the paint from the container 33.

When the brush 35 has arrived at the top of the stack 11 theweight 44 may again be hooked upto allow the valves 45 to close for a brush After each stroke of the brush 35, the screw 29 of theband 25 maybe loosenedand said band and attached parts maybe revolved around the stack to positionto start the merit stroke of the brush; the crane 13 at the upper end ofthe stack beingswung around by a sharp lateral jerk on the rope 41.

downward or return stroke of the After the stack 11 has been painted'the cables 22 may be detached from the shafts 23 and allow the container-331m be removed from them, the upper ends ofthese cables remain permanently attachedtothe crane 13.

The rope 41 may also be unhitched from the container 33' and the ends oi Esaid rope may be tied together to keep itffrom passin out of the upper pulley 42; I, I

t The crane 13 at the top ofthe stack 11, and the band 25 and attached parts at the lower part of the stack, may remain permanently in place. i v

The painting may be'done without climb ing the stack and without danger. a

The following is claimed r n apparatus of the class described, an

overhead support, a guiding cable suspended from the support, a paint container arranged to slide along the cable, means for sliding said container, a paint brush attached to the container, and means operable by the sliding means for releasing paint from the container onto the brush. V

l 2. In combination with a smoke stack, a guiding cable suspended from the top of the stack, a paint container arranged to slide 7 along the cable, a paint brush; attached to the container, manually operable suspending means adapted to support the container and slide it along the cable, and means operable by the suspending means for releasing the paint from the container onto the brush.

3. In combination with a smoke stack, a guiding cable suspended from the top of the stack, a paint container arranged to slide along the cable, a paint brush attached to the container, a pulley suspended at the top of the stack, a rope passing over said pulley and having both of its endsattached to the container, and means wherebya predetermined amount of pull on the rope releases v, paint from thecontainer ontojthe brush. In use, it is possibly preferable to start 4. In combination with a smoke stack, a

" guidingcable suspended from the top of the stack,a'paint container arranged to slide the stack, a rope passing over, said pulley along the cable, a paintbrush attached to the V A container, a pulley suspended at the top of starting the brush upward the weight 44 container, means whereby a predetermined amount of pull on the rope releases paint from the container onto the brush, and means for varying the amount of pull on the rope. v

5. In combination With a smoke stack, a supporting crane pivoted to the top of the smoke staekand arranged to be revolved in a horizontal plane, a band embracing the loWer portion of the stack and adapted to be 10 revolved around the stack, guiding cables extending from the crane down to the band, and means adapted to slide along said cables to apply paint to the stack.

Witness my hand this 12th day of Sep- 15 tember, 1919.

LEE CHANDLER. 

